#ifndef  __FREEGLUT_EXT_H__
#define  __FREEGLUT_EXT_H__

/*
 * freeglut_ext.h
 *
 * The non-GLUT-compatible extensions to the freeglut library include file
 *
 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
 * Creation date: Thu Dec 2 1999
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifdef __cplusplus
extern "C"
{
#endif

  /*
   * Additional GLUT Key definitions for the Special key function
   */
#define GLUT_KEY_NUM_LOCK           0x006D
#define GLUT_KEY_BEGIN              0x006E
#define GLUT_KEY_DELETE             0x006F
#define GLUT_KEY_SHIFT_L            0x0070
#define GLUT_KEY_SHIFT_R            0x0071
#define GLUT_KEY_CTRL_L             0x0072
#define GLUT_KEY_CTRL_R             0x0073
#define GLUT_KEY_ALT_L              0x0074
#define GLUT_KEY_ALT_R              0x0075

  /*
   * GLUT API Extension macro definitions -- behaviour when the user clicks on an "x" to close a window
   */
#define GLUT_ACTION_EXIT                         0
#define GLUT_ACTION_GLUTMAINLOOP_RETURNS         1
#define GLUT_ACTION_CONTINUE_EXECUTION           2

  /*
   * Create a new rendering context when the user opens a new window?
   */
#define GLUT_CREATE_NEW_CONTEXT                  0
#define GLUT_USE_CURRENT_CONTEXT                 1

  /*
   * Direct/Indirect rendering context options (has meaning only in Unix/X11)
   */
#define GLUT_FORCE_INDIRECT_CONTEXT              0
#define GLUT_ALLOW_DIRECT_CONTEXT                1
#define GLUT_TRY_DIRECT_CONTEXT                  2
#define GLUT_FORCE_DIRECT_CONTEXT                3

  /*
   * GLUT API Extension macro definitions -- the glutGet parameters
   */
#define  GLUT_INIT_STATE                    0x007C

#define  GLUT_ACTION_ON_WINDOW_CLOSE        0x01F9

#define  GLUT_WINDOW_BORDER_WIDTH           0x01FA
#define  GLUT_WINDOW_HEADER_HEIGHT          0x01FB

#define  GLUT_VERSION                       0x01FC

#define  GLUT_RENDERING_CONTEXT             0x01FD
#define  GLUT_DIRECT_RENDERING              0x01FE

#define  GLUT_FULL_SCREEN                   0x01FF

  /*
   * New tokens for glutInitDisplayMode.
   * Only one GLUT_AUXn bit may be used at a time.
   * Value 0x0400 is defined in OpenGLUT.
   */
#define  GLUT_AUX                           0x1000

#define  GLUT_AUX1                          0x1000
#define  GLUT_AUX2                          0x2000
#define  GLUT_AUX3                          0x4000
#define  GLUT_AUX4                          0x8000

  /*
   * Context-related flags, see freeglut_state.c
   */
#define  GLUT_INIT_MAJOR_VERSION            0x0200
#define  GLUT_INIT_MINOR_VERSION            0x0201
#define  GLUT_INIT_FLAGS                    0x0202
#define  GLUT_INIT_PROFILE                  0x0203

  /*
   * Flags for glutInitContextFlags, see freeglut_init.c
   */
#define  GLUT_DEBUG                         0x0001
#define  GLUT_FORWARD_COMPATIBLE            0x0002


  /*
   * Flags for glutInitContextProfile, see freeglut_init.c
   */
#define GLUT_CORE_PROFILE                   0x0001
#define	GLUT_COMPATIBILITY_PROFILE          0x0002

  /*
   * Process loop function, see freeglut_main.c
   */
  FGAPI void FGAPIENTRY glutMainLoopEvent (void);
  FGAPI void FGAPIENTRY glutLeaveMainLoop (void);
  FGAPI void FGAPIENTRY glutExit (void);

  /*
   * Window management functions, see freeglut_window.c
   */
  FGAPI void FGAPIENTRY glutFullScreenToggle (void);
  FGAPI void FGAPIENTRY glutLeaveFullScreen (void);

  /*
   * Window-specific callback functions, see freeglut_callbacks.c
   */
  FGAPI void FGAPIENTRY
    glutMouseWheelFunc (void (*callback) (int, int, int, int));
  FGAPI void FGAPIENTRY glutCloseFunc (void (*callback) (void));
  FGAPI void FGAPIENTRY glutWMCloseFunc (void (*callback) (void));
  /* A. Donev: Also a destruction callback for menus */
  FGAPI void FGAPIENTRY glutMenuDestroyFunc (void (*callback) (void));

  /*
   * State setting and retrieval functions, see freeglut_state.c
   */
  FGAPI void FGAPIENTRY glutSetOption (GLenum option_flag, int value);
  FGAPI int *FGAPIENTRY glutGetModeValues (GLenum mode, int *size);
  /* A.Donev: User-data manipulation */
  FGAPI void *FGAPIENTRY glutGetWindowData (void);
  FGAPI void FGAPIENTRY glutSetWindowData (void *data);
  FGAPI void *FGAPIENTRY glutGetMenuData (void);
  FGAPI void FGAPIENTRY glutSetMenuData (void *data);

  /*
   * Font stuff, see freeglut_font.c
   */
  FGAPI int FGAPIENTRY glutBitmapHeight (void *font);
  FGAPI GLfloat FGAPIENTRY glutStrokeHeight (void *font);
  FGAPI void FGAPIENTRY glutBitmapString (void *font,
					  const unsigned char *string);
  FGAPI void FGAPIENTRY glutStrokeString (void *font,
					  const unsigned char *string);

  /*
   * Geometry functions, see freeglut_geometry.c
   */
  FGAPI void FGAPIENTRY glutWireRhombicDodecahedron (void);
  FGAPI void FGAPIENTRY glutSolidRhombicDodecahedron (void);
  FGAPI void FGAPIENTRY glutWireSierpinskiSponge (int num_levels,
						  GLdouble offset[3],
						  GLdouble scale);
  FGAPI void FGAPIENTRY glutSolidSierpinskiSponge (int num_levels,
						   GLdouble offset[3],
						   GLdouble scale);
  FGAPI void FGAPIENTRY glutWireCylinder (GLdouble radius, GLdouble height,
					  GLint slices, GLint stacks);
  FGAPI void FGAPIENTRY glutSolidCylinder (GLdouble radius, GLdouble height,
					   GLint slices, GLint stacks);

  /*
   * Extension functions, see freeglut_ext.c
   */
  typedef void (*GLUTproc) ();
  FGAPI GLUTproc FGAPIENTRY glutGetProcAddress (const char *procName);

  /*
   * Multi-touch/multi-pointer extensions
   */

#define GLUT_HAS_MULTI 1

  FGAPI void FGAPIENTRY glutMultiEntryFunc (void (*callback) (int, int));
  FGAPI void FGAPIENTRY
    glutMultiButtonFunc (void (*callback) (int, int, int, int, int));
  FGAPI void FGAPIENTRY
    glutMultiMotionFunc (void (*callback) (int, int, int));
  FGAPI void FGAPIENTRY
    glutMultiPassiveFunc (void (*callback) (int, int, int));

  /*
   * Joystick functions, see freeglut_joystick.c
   */
  /* USE OF THESE FUNCTIONS IS DEPRECATED !!!!! */
  /* If you have a serious need for these functions in your application, please either
   * contact the "freeglut" developer community at freeglut-developer@lists.sourceforge.net,
   * switch to the OpenGLUT library, or else port your joystick functionality over to PLIB's
   * "js" library.
   */
  int glutJoystickGetNumAxes (int ident);
  int glutJoystickGetNumButtons (int ident);
  int glutJoystickNotWorking (int ident);
  float glutJoystickGetDeadBand (int ident, int axis);
  void glutJoystickSetDeadBand (int ident, int axis, float db);
  float glutJoystickGetSaturation (int ident, int axis);
  void glutJoystickSetSaturation (int ident, int axis, float st);
  void glutJoystickSetMinRange (int ident, float *axes);
  void glutJoystickSetMaxRange (int ident, float *axes);
  void glutJoystickSetCenter (int ident, float *axes);
  void glutJoystickGetMinRange (int ident, float *axes);
  void glutJoystickGetMaxRange (int ident, float *axes);
  void glutJoystickGetCenter (int ident, float *axes);

  /*
   * Initialization functions, see freeglut_init.c
   */
  FGAPI void FGAPIENTRY glutInitContextVersion (int majorVersion,
						int minorVersion);
  FGAPI void FGAPIENTRY glutInitContextFlags (int flags);
  FGAPI void FGAPIENTRY glutInitContextProfile (int profile);

  /* to get the typedef for va_list */
#include <stdarg.h>

  FGAPI void FGAPIENTRY
    glutInitErrorFunc (void (*vError) (const char *fmt, va_list ap));
  FGAPI void FGAPIENTRY
    glutInitWarningFunc (void (*vWarning) (const char *fmt, va_list ap));

  /*
   * GLUT API macro definitions -- the display mode definitions
   */
#define  GLUT_CAPTIONLESS                   0x0400
#define  GLUT_BORDERLESS                    0x0800
#define  GLUT_SRGB                          0x1000

#ifdef __cplusplus
}
#endif

/*** END OF FILE ***/

#endif				/* __FREEGLUT_EXT_H__ */
